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485827261 is a prime number
BaseRepresentation
bin11100111101010…
…010001010111101
31020212011120201021
4130331102022331
51443332433021
6120112544141
715016315003
oct3475221275
91225146637
10485827261
1122a267237
12116852051
137986216a
1448746a73
152c9b8c41
hex1cf522bd

485827261 has 2 divisors, whose sum is σ = 485827262. Its totient is φ = 485827260.

The previous prime is 485827231. The next prime is 485827267. The reversal of 485827261 is 162728584.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 425143161 + 60684100 = 20619^2 + 7790^2 .

It is a cyclic number.

It is not a de Polignac number, because 485827261 - 29 = 485826749 is a prime.

It is equal to p25647793 and since 485827261 and 25647793 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (485827267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242913630 + 242913631.

It is an arithmetic number, because the mean of its divisors is an integer number (242913631).

Almost surely, 2485827261 is an apocalyptic number.

It is an amenable number.

485827261 is a deficient number, since it is larger than the sum of its proper divisors (1).

485827261 is an equidigital number, since it uses as much as digits as its factorization.

485827261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 215040, while the sum is 43.

The square root of 485827261 is about 22041.4895367804. The cubic root of 485827261 is about 786.1292582023.

The spelling of 485827261 in words is "four hundred eighty-five million, eight hundred twenty-seven thousand, two hundred sixty-one".